(0 19 6)(1 17 4)(2 20 15)(3 8 5)(7 11 10)(9 14 12)(13 18 16)
ALLOWS (11/8)-SEQUENCE
1: (4 7 17)

(0 19 6)(1 17 11 10 7)(2 20 15)(3 8 5)(4)(9 14 12)(13 18 16)
2: (3 8 5)

(0 19 6)(1 17 11 10 7)(2 20 15)(3)(4)(5)(8)(9 14 12)(13 18 16)
3: (1 10 7)

(0 19 6)(1)(2 20 15)(3)(4)(5)(7)(8)(9 14 12)(10 17 11)(13 18 16)
4: (2 20 15)

(0 19 6)(1)(2)(3)(4)(5)(7)(8)(9 14 12)(10 17 11)(13 18 16)(15)(20)